Catv converter with keylock to favorite channels
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 10, 1984
Grant Date -
N/A
app pub date -
May 22, 1981
filing date -
May 22, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A cable television converter includes an oscillator and mixer for conversion of a selected input television channel to the specific output frequency of the converter. There is a program selection device, and a memory responsive thereto whereby a subscriber may designate certain channels for conversion to the output frequency. The program selection device provides for restricting access to only those designated channels in the memory whereby a subscriber may control access of members of the household to only certain permitted channels.
First Claim
Family
International Classification(s)
Cited Art Landscape
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